989170 has 32 divisors (see below), whose sum is σ = 2193408. Its totient is φ = 312768.

The previous prime is 989123. The next prime is 989171. The reversal of 989170 is 71989.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (989171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367 + ... + 1453.

It is an arithmetic number, because the mean of its divisors is an integer number (68544).

2⁹⁸⁹¹⁷⁰ is an apocalyptic number.

989170 is an abundant number, since it is smaller than the sum of its proper divisors (1204238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989170 is a wasteful number, since it uses less digits than its factorization.

989170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 989170 is about 994.5702589561. The cubic root of 989170 is about 99.6376888920.

The spelling of 989170 in words is "nine hundred eighty-nine thousand, one hundred seventy".